/Engine/Source/Runtime/AssetRegistry/Public/AssetRegistry/IAssetRegistry.h
Scan the specified individual files right now and populate the asset registry. If bForceRescan is true, the paths will be scanned again, even if they were previously scanned
void ScanFilesSynchronous ( const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & InFilePaths, bool bForceRescan )